Hanger hook



FIG. 1 is a perspective view of a hanger hook showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an enlarged view of the selected portion in FIG. 1 . 

CLAIM The ornamental design for a hanger hook, as shown and described. 